The nation's largest insurer is putting sharp limits on the most common form of hysterectomies, saying the procedure poses a health threat and that a different form of the surgery has been found to be safer.

For years medical experts have said obesity is the main risk factor for type 2 diabetes. Now, a new study says it could be a deficiency in vitamin D rather than a person's weight that increases their risk of diabetes.

Parents who have children with food allergies know all too well about the headaches in keeping their lives "nut-free." But a new study suggests that peanut allergy can be prevented at a young age by embracing peanuts, not avoiding them.

Israeli Prime Minister Benjamin Netanyahu warned Tuesday that a proposed agreement between world powers and Iran was "a bad deal" that would not stop Tehran from getting nuclear weapons -- but would rather pave its way to getting lots of them and lea...